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640

year

AI overview

I don't have sufficient context to write an accurate overview of "640." The context provided only indicates "year," but doesn't clarify what "640" specifically refers to—whether it's the year 640 CE, a historical event, a location, or something else entirely. I'd need more specific information to provide an accurate and helpful overview.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Instance of: year
Part of: 640s
Followed by: 641
Follows: 639

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Commons category: 640
topic's main category: Category:640
point in time: 0640-01-01
has list: list of state leaders in 640
category for births in this time period: Category:640 births
category for deaths in this time period: Category:640 deaths

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Encyclopedic overview

Year 640 (DCXL) was a leap year starting on Saturday of the Julian calendar. The denomination 640 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

Excerpted from Wikipedia’s “640” article, available under the CC BY-SA 4.0 licence.

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